Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375 is a genuine double-acting standard air cylinder with a Ø250mm bore and 375mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke375 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375
The AirTAC SC250X375 is a heavy-duty double-acting tie-rod cylinder delivering 24544 N of push force at 0.5 MPa (44178 N at the maximum operating pressure of 0.9 MPa). With a 250 mm bore and a 375 mm stroke, this ISO 6430 class actuator uses a rigid 50 mm diameter piston rod with M42x2 male threads, making it suitable for high-thrust industrial pressing, clamping, and lifting applications.
This model features a body length of 294 mm plus the 375 mm stroke, with an adjustable pneumatic cushion of 40 mm at each end to decelerate large inertial loads quietly. The standard PT1" port threads supply ample flow for the 30-500 mm/s speed range, and the TPU/NBR seals provide reliable operation from -20 to +70 °C.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 375 mm |
| Acting type | Double acting |
| Port size | PT1" |
| Rod thread | M42×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø250mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 24544 N | 23562 N |
| 0.7 MPa | 34361 N | — |
| Max (approx.) | 5006 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×375 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375 Is Used
Heavy Press & Forming
Generates over 44 kN at 0.9 MPa for stamping, bending, and die-casting ejection systems requiring high force in a compact tie-rod envelope.
Pallet & Coil Handling
Lifts and transfers heavy pallets or steel coils on end-of-line packaging and material handling stations, leveraging the 50 mm rod's column strength.
Structural Test Rigs
Applies controlled, repeatable force for static load testing of beams, welds, and structural components in quality assurance laboratories.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375 the Right Cylinder?
For applications needing slightly less force, the 200 mm bore SC200 series provides 15708 N at 0.5 MPa. Stepping up to this 250 mm bore nearly doubles the available thrust. For this 375 mm stroke, ensure the rod is not subjected to significant side loading; if lateral forces are present, use an external linear guide or rod support to prevent bending of the 50 mm rod and premature bearing wear.
When replacing an existing cylinder, match five key points: 250 mm bore, 375 mm stroke, PT1" port threads, basic (no mounting accessory) configuration, and the absence of a magnet. This is a genuine AirTAC SC tie-rod cylinder, which is shorter than an ISO 15552 profile and is not dimensionally interchangeable with that standard.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X375 FAQ
At 0.7 MPa (7 bar) supply pressure, the theoretical push force is 34361 N. The pull force on the retract stroke is 23562 N, accounting for the area reduction from the 50 mm piston rod.
No. The SC250X375 is a double-acting cylinder and does not lock or hold position when air is exhausted. The adjustable air cushions only decelerate the piston at stroke ends. If load holding is required, add a pilot-operated check valve or an external mechanical rod brake.
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